U–Pb dating of tonstein layers from a coal succession of the southern Paraná Basin (Brazil): A new geochronological approach
| Autor: | Guerra-Sommer, Margot, Cazzulo-Klepzig, Miriam, Laquintinie Formoso, Milton Luiz, Menegat, Rualdo, Mendonça Fo, João Graciano |
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| Zdroj: | In Gondwana Research 2008 14(3):474-482 |
| Databáze: | ScienceDirect |
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